Home / 145,437.17-200,757.65-85,027.19

Finding the Fourth Proportional to 145,437.17, 200,757.65 and 85,027.19

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Solution

The fourth proportional to 145,437.17, 200,757.65 and 85,027.19 is: 117,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,437.17 : 200,757.65 = 85,027.19 : x
  2. Step 2: Convert to fraction form
    145,437.17/200,757.65 = 85,027.19/x
  3. Step 3: Cross multiply
    145,437.17x = 200,757.65 × 85,027.19
  4. Step 4: Simplify right side
    145,437.17x = 17,069,857,421.58
  5. Step 5: Solve for x
    x = 17,069,857,421.58/145,437.17
  6. Step 6: Final answer
    x = 117,369.29

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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.