Home / 92,002.10-138,022.35-52,526.90

Finding the Fourth Proportional to 92,002.10, 138,022.35 and 52,526.90

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Solution

The fourth proportional to 92,002.10, 138,022.35 and 52,526.90 is: 78,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,002.10 : 138,022.35 = 52,526.90 : x
  2. Step 2: Convert to fraction form
    92,002.10/138,022.35 = 52,526.90/x
  3. Step 3: Cross multiply
    92,002.10x = 138,022.35 × 52,526.90
  4. Step 4: Simplify right side
    92,002.10x = 7,249,886,176.22
  5. Step 5: Solve for x
    x = 7,249,886,176.22/92,002.10
  6. Step 6: Final answer
    x = 78,801.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.