Home / 145,659.48-218,382.30-61,416.24

Finding the Fourth Proportional to 145,659.48, 218,382.30 and 61,416.24

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Solution

The fourth proportional to 145,659.48, 218,382.30 and 61,416.24 is: 92,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,659.48 : 218,382.30 = 61,416.24 : x
  2. Step 2: Convert to fraction form
    145,659.48/218,382.30 = 61,416.24/x
  3. Step 3: Cross multiply
    145,659.48x = 218,382.30 × 61,416.24
  4. Step 4: Simplify right side
    145,659.48x = 13,412,219,748.55
  5. Step 5: Solve for x
    x = 13,412,219,748.55/145,659.48
  6. Step 6: Final answer
    x = 92,079.28

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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.