Home / 102,347.52-141,237.45-57,025.32

Finding the Fourth Proportional to 102,347.52, 141,237.45 and 57,025.32

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Solution

The fourth proportional to 102,347.52, 141,237.45 and 57,025.32 is: 78,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,347.52 : 141,237.45 = 57,025.32 : x
  2. Step 2: Convert to fraction form
    102,347.52/141,237.45 = 57,025.32/x
  3. Step 3: Cross multiply
    102,347.52x = 141,237.45 × 57,025.32
  4. Step 4: Simplify right side
    102,347.52x = 8,054,110,782.23
  5. Step 5: Solve for x
    x = 8,054,110,782.23/102,347.52
  6. Step 6: Final answer
    x = 78,693.76

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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.