Home / 124,811.34-172,219.53-71,097.40

Finding the Fourth Proportional to 124,811.34, 172,219.53 and 71,097.40

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Solution

The fourth proportional to 124,811.34, 172,219.53 and 71,097.40 is: 98,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,811.34 : 172,219.53 = 71,097.40 : x
  2. Step 2: Convert to fraction form
    124,811.34/172,219.53 = 71,097.40/x
  3. Step 3: Cross multiply
    124,811.34x = 172,219.53 × 71,097.40
  4. Step 4: Simplify right side
    124,811.34x = 12,244,360,812.22
  5. Step 5: Solve for x
    x = 12,244,360,812.22/124,811.34
  6. Step 6: Final answer
    x = 98,102.95

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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.