Home / 145,587.37-218,381.06-66,701.59

Finding the Fourth Proportional to 145,587.37, 218,381.06 and 66,701.59

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Solution

The fourth proportional to 145,587.37, 218,381.06 and 66,701.59 is: 100,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587.37 : 218,381.06 = 66,701.59 : x
  2. Step 2: Convert to fraction form
    145,587.37/218,381.06 = 66,701.59/x
  3. Step 3: Cross multiply
    145,587.37x = 218,381.06 × 66,701.59
  4. Step 4: Simplify right side
    145,587.37x = 14,566,363,927.89
  5. Step 5: Solve for x
    x = 14,566,363,927.89/145,587.37
  6. Step 6: Final answer
    x = 100,052.39

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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.