Home / 131,378.04-181,301.69-70,948.69

Finding the Fourth Proportional to 131,378.04, 181,301.69 and 70,948.69

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Solution

The fourth proportional to 131,378.04, 181,301.69 and 70,948.69 is: 97,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,378.04 : 181,301.69 = 70,948.69 : x
  2. Step 2: Convert to fraction form
    131,378.04/181,301.69 = 70,948.69/x
  3. Step 3: Cross multiply
    131,378.04x = 181,301.69 × 70,948.69
  4. Step 4: Simplify right side
    131,378.04x = 12,863,117,124.40
  5. Step 5: Solve for x
    x = 12,863,117,124.40/131,378.04
  6. Step 6: Final answer
    x = 97,909.19

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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.