Home / 175,938.60-242,827.77-100,487.10

Finding the Fourth Proportional to 175,938.60, 242,827.77 and 100,487.10

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Solution

The fourth proportional to 175,938.60, 242,827.77 and 100,487.10 is: 138,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,938.60 : 242,827.77 = 100,487.10 : x
  2. Step 2: Convert to fraction form
    175,938.60/242,827.77 = 100,487.10/x
  3. Step 3: Cross multiply
    175,938.60x = 242,827.77 × 100,487.10
  4. Step 4: Simplify right side
    175,938.60x = 24,401,058,406.77
  5. Step 5: Solve for x
    x = 24,401,058,406.77/175,938.60
  6. Step 6: Final answer
    x = 138,690.76

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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.