Home / 145,675.42-200,985.17-88,337.75

Finding the Fourth Proportional to 145,675.42, 200,985.17 and 88,337.75

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Solution

The fourth proportional to 145,675.42, 200,985.17 and 88,337.75 is: 121,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,675.42 : 200,985.17 = 88,337.75 : x
  2. Step 2: Convert to fraction form
    145,675.42/200,985.17 = 88,337.75/x
  3. Step 3: Cross multiply
    145,675.42x = 200,985.17 × 88,337.75
  4. Step 4: Simplify right side
    145,675.42x = 17,754,576,254.55
  5. Step 5: Solve for x
    x = 17,754,576,254.55/145,675.42
  6. Step 6: Final answer
    x = 121,877.64

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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.