Home / 104,572.95-144,204.46-89,515.45

Finding the Fourth Proportional to 104,572.95, 144,204.46 and 89,515.45

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Solution

The fourth proportional to 104,572.95, 144,204.46 and 89,515.45 is: 123,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.95 : 144,204.46 = 89,515.45 : x
  2. Step 2: Convert to fraction form
    104,572.95/144,204.46 = 89,515.45/x
  3. Step 3: Cross multiply
    104,572.95x = 144,204.46 × 89,515.45
  4. Step 4: Simplify right side
    104,572.95x = 12,908,527,128.91
  5. Step 5: Solve for x
    x = 12,908,527,128.91/104,572.95
  6. Step 6: Final answer
    x = 123,440.40

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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.