Home / 97,430.75-134,445.52-57,137.10

Finding the Fourth Proportional to 97,430.75, 134,445.52 and 57,137.10

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Solution

The fourth proportional to 97,430.75, 134,445.52 and 57,137.10 is: 78,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,430.75 : 134,445.52 = 57,137.10 : x
  2. Step 2: Convert to fraction form
    97,430.75/134,445.52 = 57,137.10/x
  3. Step 3: Cross multiply
    97,430.75x = 134,445.52 × 57,137.10
  4. Step 4: Simplify right side
    97,430.75x = 7,681,826,688.04
  5. Step 5: Solve for x
    x = 7,681,826,688.04/97,430.75
  6. Step 6: Final answer
    x = 78,843.97

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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.