Home / 157,127.90-216,841.42-89,147.73

Finding the Fourth Proportional to 157,127.90, 216,841.42 and 89,147.73

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Solution

The fourth proportional to 157,127.90, 216,841.42 and 89,147.73 is: 123,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,127.90 : 216,841.42 = 89,147.73 : x
  2. Step 2: Convert to fraction form
    157,127.90/216,841.42 = 89,147.73/x
  3. Step 3: Cross multiply
    157,127.90x = 216,841.42 × 89,147.73
  4. Step 4: Simplify right side
    157,127.90x = 19,330,920,953.26
  5. Step 5: Solve for x
    x = 19,330,920,953.26/157,127.90
  6. Step 6: Final answer
    x = 123,026.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.