Home / 157,307.20-235,869.67-107,447.55

Finding the Fourth Proportional to 157,307.20, 235,869.67 and 107,447.55

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Solution

The fourth proportional to 157,307.20, 235,869.67 and 107,447.55 is: 161,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,307.20 : 235,869.67 = 107,447.55 : x
  2. Step 2: Convert to fraction form
    157,307.20/235,869.67 = 107,447.55/x
  3. Step 3: Cross multiply
    157,307.20x = 235,869.67 × 107,447.55
  4. Step 4: Simplify right side
    157,307.20x = 25,343,617,410.61
  5. Step 5: Solve for x
    x = 25,343,617,410.61/157,307.20
  6. Step 6: Final answer
    x = 161,109.08

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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.