Home / 142,748.48-214,133.34-42,900.68

Finding the Fourth Proportional to 142,748.48, 214,133.34 and 42,900.68

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Solution

The fourth proportional to 142,748.48, 214,133.34 and 42,900.68 is: 64,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,748.48 : 214,133.34 = 42,900.68 : x
  2. Step 2: Convert to fraction form
    142,748.48/214,133.34 = 42,900.68/x
  3. Step 3: Cross multiply
    142,748.48x = 214,133.34 × 42,900.68
  4. Step 4: Simplify right side
    142,748.48x = 9,186,465,896.67
  5. Step 5: Solve for x
    x = 9,186,465,896.67/142,748.48
  6. Step 6: Final answer
    x = 64,354.21

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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.