Home / 102,227.60-153,341.40-28,355.60

Finding the Fourth Proportional to 102,227.60, 153,341.40 and 28,355.60

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Solution

The fourth proportional to 102,227.60, 153,341.40 and 28,355.60 is: 42,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227.60 : 153,341.40 = 28,355.60 : x
  2. Step 2: Convert to fraction form
    102,227.60/153,341.40 = 28,355.60/x
  3. Step 3: Cross multiply
    102,227.60x = 153,341.40 × 28,355.60
  4. Step 4: Simplify right side
    102,227.60x = 4,348,087,401.84
  5. Step 5: Solve for x
    x = 4,348,087,401.84/102,227.60
  6. Step 6: Final answer
    x = 42,533.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.