Home / 147,089.02-203,053.35-90,548.86

Finding the Fourth Proportional to 147,089.02, 203,053.35 and 90,548.86

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Solution

The fourth proportional to 147,089.02, 203,053.35 and 90,548.86 is: 125,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,089.02 : 203,053.35 = 90,548.86 : x
  2. Step 2: Convert to fraction form
    147,089.02/203,053.35 = 90,548.86/x
  3. Step 3: Cross multiply
    147,089.02x = 203,053.35 × 90,548.86
  4. Step 4: Simplify right side
    147,089.02x = 18,386,249,361.68
  5. Step 5: Solve for x
    x = 18,386,249,361.68/147,089.02
  6. Step 6: Final answer
    x = 125,000.83

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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.