Home / 157,320.66-237,166.92-147,172.98

Finding the Fourth Proportional to 157,320.66, 237,166.92 and 147,172.98

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Solution

The fourth proportional to 157,320.66, 237,166.92 and 147,172.98 is: 221,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,320.66 : 237,166.92 = 147,172.98 : x
  2. Step 2: Convert to fraction form
    157,320.66/237,166.92 = 147,172.98/x
  3. Step 3: Cross multiply
    157,320.66x = 237,166.92 × 147,172.98
  4. Step 4: Simplify right side
    157,320.66x = 34,904,562,373.82
  5. Step 5: Solve for x
    x = 34,904,562,373.82/157,320.66
  6. Step 6: Final answer
    x = 221,868.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.