Home / 142,048.20-212,924.70-57,772.20

Finding the Fourth Proportional to 142,048.20, 212,924.70 and 57,772.20

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Solution

The fourth proportional to 142,048.20, 212,924.70 and 57,772.20 is: 86,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048.20 : 212,924.70 = 57,772.20 : x
  2. Step 2: Convert to fraction form
    142,048.20/212,924.70 = 57,772.20/x
  3. Step 3: Cross multiply
    142,048.20x = 212,924.70 × 57,772.20
  4. Step 4: Simplify right side
    142,048.20x = 12,301,128,353.34
  5. Step 5: Solve for x
    x = 12,301,128,353.34/142,048.20
  6. Step 6: Final answer
    x = 86,598.27

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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.