Home / 102,516.48-141,473.76-57,194.08

Finding the Fourth Proportional to 102,516.48, 141,473.76 and 57,194.08

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Solution

The fourth proportional to 102,516.48, 141,473.76 and 57,194.08 is: 78,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,516.48 : 141,473.76 = 57,194.08 : x
  2. Step 2: Convert to fraction form
    102,516.48/141,473.76 = 57,194.08/x
  3. Step 3: Cross multiply
    102,516.48x = 141,473.76 × 57,194.08
  4. Step 4: Simplify right side
    102,516.48x = 8,091,461,547.34
  5. Step 5: Solve for x
    x = 8,091,461,547.34/102,516.48
  6. Step 6: Final answer
    x = 78,928.40

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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.