Home / 242,141.81-334,151.12-134,711.51

Finding the Fourth Proportional to 242,141.81, 334,151.12 and 134,711.51

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Solution

The fourth proportional to 242,141.81, 334,151.12 and 134,711.51 is: 185,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,141.81 : 334,151.12 = 134,711.51 : x
  2. Step 2: Convert to fraction form
    242,141.81/334,151.12 = 134,711.51/x
  3. Step 3: Cross multiply
    242,141.81x = 334,151.12 × 134,711.51
  4. Step 4: Simplify right side
    242,141.81x = 45,014,000,609.41
  5. Step 5: Solve for x
    x = 45,014,000,609.41/242,141.81
  6. Step 6: Final answer
    x = 185,899.34

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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.