Home / 145,090.61-217,552.10-56,240.31

Finding the Fourth Proportional to 145,090.61, 217,552.10 and 56,240.31

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Solution

The fourth proportional to 145,090.61, 217,552.10 and 56,240.31 is: 84,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,090.61 : 217,552.10 = 56,240.31 : x
  2. Step 2: Convert to fraction form
    145,090.61/217,552.10 = 56,240.31/x
  3. Step 3: Cross multiply
    145,090.61x = 217,552.10 × 56,240.31
  4. Step 4: Simplify right side
    145,090.61x = 12,235,197,263.95
  5. Step 5: Solve for x
    x = 12,235,197,263.95/145,090.61
  6. Step 6: Final answer
    x = 84,327.98

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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.