Home / 141,931.74-212,708.47-67,071.76

Finding the Fourth Proportional to 141,931.74, 212,708.47 and 67,071.76

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Solution

The fourth proportional to 141,931.74, 212,708.47 and 67,071.76 is: 100,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,931.74 : 212,708.47 = 67,071.76 : x
  2. Step 2: Convert to fraction form
    141,931.74/212,708.47 = 67,071.76/x
  3. Step 3: Cross multiply
    141,931.74x = 212,708.47 × 67,071.76
  4. Step 4: Simplify right side
    141,931.74x = 14,266,731,282.13
  5. Step 5: Solve for x
    x = 14,266,731,282.13/141,931.74
  6. Step 6: Final answer
    x = 100,518.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.