Home / 147,655.80-221,337.90-58,790.70

Finding the Fourth Proportional to 147,655.80, 221,337.90 and 58,790.70

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Solution

The fourth proportional to 147,655.80, 221,337.90 and 58,790.70 is: 88,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655.80 : 221,337.90 = 58,790.70 : x
  2. Step 2: Convert to fraction form
    147,655.80/221,337.90 = 58,790.70/x
  3. Step 3: Cross multiply
    147,655.80x = 221,337.90 × 58,790.70
  4. Step 4: Simplify right side
    147,655.80x = 13,012,610,077.53
  5. Step 5: Solve for x
    x = 13,012,610,077.53/147,655.80
  6. Step 6: Final answer
    x = 88,128.00

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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.