Home / 102,345.48-141,247.16-57,030.84

Finding the Fourth Proportional to 102,345.48, 141,247.16 and 57,030.84

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Solution

The fourth proportional to 102,345.48, 141,247.16 and 57,030.84 is: 78,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,345.48 : 141,247.16 = 57,030.84 : x
  2. Step 2: Convert to fraction form
    102,345.48/141,247.16 = 57,030.84/x
  3. Step 3: Cross multiply
    102,345.48x = 141,247.16 × 57,030.84
  4. Step 4: Simplify right side
    102,345.48x = 8,055,444,182.41
  5. Step 5: Solve for x
    x = 8,055,444,182.41/102,345.48
  6. Step 6: Final answer
    x = 78,708.35

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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.