Home / 129,948.54-179,329.05-70,332.54

Finding the Fourth Proportional to 129,948.54, 179,329.05 and 70,332.54

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Solution

The fourth proportional to 129,948.54, 179,329.05 and 70,332.54 is: 97,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948.54 : 179,329.05 = 70,332.54 : x
  2. Step 2: Convert to fraction form
    129,948.54/179,329.05 = 70,332.54/x
  3. Step 3: Cross multiply
    129,948.54x = 179,329.05 × 70,332.54
  4. Step 4: Simplify right side
    129,948.54x = 12,612,667,582.29
  5. Step 5: Solve for x
    x = 12,612,667,582.29/129,948.54
  6. Step 6: Final answer
    x = 97,058.94

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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.