Home / 157,614.20-236,421.30-155,281.40

Finding the Fourth Proportional to 157,614.20, 236,421.30 and 155,281.40

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Solution

The fourth proportional to 157,614.20, 236,421.30 and 155,281.40 is: 232,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,614.20 : 236,421.30 = 155,281.40 : x
  2. Step 2: Convert to fraction form
    157,614.20/236,421.30 = 155,281.40/x
  3. Step 3: Cross multiply
    157,614.20x = 236,421.30 × 155,281.40
  4. Step 4: Simplify right side
    157,614.20x = 36,711,830,453.82
  5. Step 5: Solve for x
    x = 36,711,830,453.82/157,614.20
  6. Step 6: Final answer
    x = 232,922.10

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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.