Home / 157,071.20-235,606.80-97,284.10

Finding the Fourth Proportional to 157,071.20, 235,606.80 and 97,284.10

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Solution

The fourth proportional to 157,071.20, 235,606.80 and 97,284.10 is: 145,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,071.20 : 235,606.80 = 97,284.10 : x
  2. Step 2: Convert to fraction form
    157,071.20/235,606.80 = 97,284.10/x
  3. Step 3: Cross multiply
    157,071.20x = 235,606.80 × 97,284.10
  4. Step 4: Simplify right side
    157,071.20x = 22,920,795,491.88
  5. Step 5: Solve for x
    x = 22,920,795,491.88/157,071.20
  6. Step 6: Final answer
    x = 145,926.15

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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.