Home / 145,828.05-218,760.30-57,070.08

Finding the Fourth Proportional to 145,828.05, 218,760.30 and 57,070.08

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Solution

The fourth proportional to 145,828.05, 218,760.30 and 57,070.08 is: 85,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,828.05 : 218,760.30 = 57,070.08 : x
  2. Step 2: Convert to fraction form
    145,828.05/218,760.30 = 57,070.08/x
  3. Step 3: Cross multiply
    145,828.05x = 218,760.30 × 57,070.08
  4. Step 4: Simplify right side
    145,828.05x = 12,484,667,821.82
  5. Step 5: Solve for x
    x = 12,484,667,821.82/145,828.05
  6. Step 6: Final answer
    x = 85,612.25

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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.