Home / 147,483.61-203,520.85-90,219.07

Finding the Fourth Proportional to 147,483.61, 203,520.85 and 90,219.07

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Solution

The fourth proportional to 147,483.61, 203,520.85 and 90,219.07 is: 124,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,483.61 : 203,520.85 = 90,219.07 : x
  2. Step 2: Convert to fraction form
    147,483.61/203,520.85 = 90,219.07/x
  3. Step 3: Cross multiply
    147,483.61x = 203,520.85 × 90,219.07
  4. Step 4: Simplify right side
    147,483.61x = 18,361,461,204.14
  5. Step 5: Solve for x
    x = 18,361,461,204.14/147,483.61
  6. Step 6: Final answer
    x = 124,498.32

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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.