Home / 173,473.04-239,401.96-105,478.76

Finding the Fourth Proportional to 173,473.04, 239,401.96 and 105,478.76

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Solution

The fourth proportional to 173,473.04, 239,401.96 and 105,478.76 is: 145,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,473.04 : 239,401.96 = 105,478.76 : x
  2. Step 2: Convert to fraction form
    173,473.04/239,401.96 = 105,478.76/x
  3. Step 3: Cross multiply
    173,473.04x = 239,401.96 × 105,478.76
  4. Step 4: Simplify right side
    173,473.04x = 25,251,822,217.18
  5. Step 5: Solve for x
    x = 25,251,822,217.18/173,473.04
  6. Step 6: Final answer
    x = 145,566.26

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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.