Home / 85,725.16-118,526.36-75,084.19

Finding the Fourth Proportional to 85,725.16, 118,526.36 and 75,084.19

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Solution

The fourth proportional to 85,725.16, 118,526.36 and 75,084.19 is: 103,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,725.16 : 118,526.36 = 75,084.19 : x
  2. Step 2: Convert to fraction form
    85,725.16/118,526.36 = 75,084.19/x
  3. Step 3: Cross multiply
    85,725.16x = 118,526.36 × 75,084.19
  4. Step 4: Simplify right side
    85,725.16x = 8,899,456,070.12
  5. Step 5: Solve for x
    x = 8,899,456,070.12/85,725.16
  6. Step 6: Final answer
    x = 103,813.82

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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.