Home / 145,775.39-218,681.46-57,017.34

Finding the Fourth Proportional to 145,775.39, 218,681.46 and 57,017.34

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Solution

The fourth proportional to 145,775.39, 218,681.46 and 57,017.34 is: 85,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,775.39 : 218,681.46 = 57,017.34 : x
  2. Step 2: Convert to fraction form
    145,775.39/218,681.46 = 57,017.34/x
  3. Step 3: Cross multiply
    145,775.39x = 218,681.46 × 57,017.34
  4. Step 4: Simplify right side
    145,775.39x = 12,468,635,156.52
  5. Step 5: Solve for x
    x = 12,468,635,156.52/145,775.39
  6. Step 6: Final answer
    x = 85,533.20

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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.