Home / 153,444.29-230,018.81-78,599.69

Finding the Fourth Proportional to 153,444.29, 230,018.81 and 78,599.69

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Solution

The fourth proportional to 153,444.29, 230,018.81 and 78,599.69 is: 117,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,444.29 : 230,018.81 = 78,599.69 : x
  2. Step 2: Convert to fraction form
    153,444.29/230,018.81 = 78,599.69/x
  3. Step 3: Cross multiply
    153,444.29x = 230,018.81 × 78,599.69
  4. Step 4: Simplify right side
    153,444.29x = 18,079,406,206.57
  5. Step 5: Solve for x
    x = 18,079,406,206.57/153,444.29
  6. Step 6: Final answer
    x = 117,823.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.