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Finding the Fourth Proportional to 107,510.69, 160,578.51 and 97,363.95

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Solution

The fourth proportional to 107,510.69, 160,578.51 and 97,363.95 is: 145,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,510.69 : 160,578.51 = 97,363.95 : x
  2. Step 2: Convert to fraction form
    107,510.69/160,578.51 = 97,363.95/x
  3. Step 3: Cross multiply
    107,510.69x = 160,578.51 × 97,363.95
  4. Step 4: Simplify right side
    107,510.69x = 15,634,558,018.71
  5. Step 5: Solve for x
    x = 15,634,558,018.71/107,510.69
  6. Step 6: Final answer
    x = 145,423.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.