Home / 157,681.20-236,515.14-73,412.40

Finding the Fourth Proportional to 157,681.20, 236,515.14 and 73,412.40

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Solution

The fourth proportional to 157,681.20, 236,515.14 and 73,412.40 is: 110,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,681.20 : 236,515.14 = 73,412.40 : x
  2. Step 2: Convert to fraction form
    157,681.20/236,515.14 = 73,412.40/x
  3. Step 3: Cross multiply
    157,681.20x = 236,515.14 × 73,412.40
  4. Step 4: Simplify right side
    157,681.20x = 17,363,144,063.74
  5. Step 5: Solve for x
    x = 17,363,144,063.74/157,681.20
  6. Step 6: Final answer
    x = 110,115.50

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1.5x scale

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.