Home / 145,074.78-217,643.58-59,686.08

Finding the Fourth Proportional to 145,074.78, 217,643.58 and 59,686.08

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Solution

The fourth proportional to 145,074.78, 217,643.58 and 59,686.08 is: 89,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,074.78 : 217,643.58 = 59,686.08 : x
  2. Step 2: Convert to fraction form
    145,074.78/217,643.58 = 59,686.08/x
  3. Step 3: Cross multiply
    145,074.78x = 217,643.58 × 59,686.08
  4. Step 4: Simplify right side
    145,074.78x = 12,990,292,127.37
  5. Step 5: Solve for x
    x = 12,990,292,127.37/145,074.78
  6. Step 6: Final answer
    x = 89,542.04

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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.