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Finding the Fourth Proportional to 152,955.65, 211,108.81 and 97,729.47

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Solution

The fourth proportional to 152,955.65, 211,108.81 and 97,729.47 is: 134,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955.65 : 211,108.81 = 97,729.47 : x
  2. Step 2: Convert to fraction form
    152,955.65/211,108.81 = 97,729.47/x
  3. Step 3: Cross multiply
    152,955.65x = 211,108.81 × 97,729.47
  4. Step 4: Simplify right side
    152,955.65x = 20,631,552,113.63
  5. Step 5: Solve for x
    x = 20,631,552,113.63/152,955.65
  6. Step 6: Final answer
    x = 134,885.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.