Home / 102,280.02-153,320.85-52,383.66

Finding the Fourth Proportional to 102,280.02, 153,320.85 and 52,383.66

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Solution

The fourth proportional to 102,280.02, 153,320.85 and 52,383.66 is: 78,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,280.02 : 153,320.85 = 52,383.66 : x
  2. Step 2: Convert to fraction form
    102,280.02/153,320.85 = 52,383.66/x
  3. Step 3: Cross multiply
    102,280.02x = 153,320.85 × 52,383.66
  4. Step 4: Simplify right side
    102,280.02x = 8,031,507,277.31
  5. Step 5: Solve for x
    x = 8,031,507,277.31/102,280.02
  6. Step 6: Final answer
    x = 78,524.69

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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.