Home / 105,084.01-145,037.52-64,255.12

Finding the Fourth Proportional to 105,084.01, 145,037.52 and 64,255.12

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Solution

The fourth proportional to 105,084.01, 145,037.52 and 64,255.12 is: 88,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,084.01 : 145,037.52 = 64,255.12 : x
  2. Step 2: Convert to fraction form
    105,084.01/145,037.52 = 64,255.12/x
  3. Step 3: Cross multiply
    105,084.01x = 145,037.52 × 64,255.12
  4. Step 4: Simplify right side
    105,084.01x = 9,319,403,252.10
  5. Step 5: Solve for x
    x = 9,319,403,252.10/105,084.01
  6. Step 6: Final answer
    x = 88,685.26

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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.