Home / 242,637.02-334,840.40-140,722.88

Finding the Fourth Proportional to 242,637.02, 334,840.40 and 140,722.88

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Solution

The fourth proportional to 242,637.02, 334,840.40 and 140,722.88 is: 194,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,637.02 : 334,840.40 = 140,722.88 : x
  2. Step 2: Convert to fraction form
    242,637.02/334,840.40 = 140,722.88/x
  3. Step 3: Cross multiply
    242,637.02x = 334,840.40 × 140,722.88
  4. Step 4: Simplify right side
    242,637.02x = 47,119,703,050.54
  5. Step 5: Solve for x
    x = 47,119,703,050.54/242,637.02
  6. Step 6: Final answer
    x = 194,198.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.