Home / 134,113.65-185,080.10-73,688.21

Finding the Fourth Proportional to 134,113.65, 185,080.10 and 73,688.21

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Solution

The fourth proportional to 134,113.65, 185,080.10 and 73,688.21 is: 101,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,113.65 : 185,080.10 = 73,688.21 : x
  2. Step 2: Convert to fraction form
    134,113.65/185,080.10 = 73,688.21/x
  3. Step 3: Cross multiply
    134,113.65x = 185,080.10 × 73,688.21
  4. Step 4: Simplify right side
    134,113.65x = 13,638,219,981.78
  5. Step 5: Solve for x
    x = 13,638,219,981.78/134,113.65
  6. Step 6: Final answer
    x = 101,691.51

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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.