Home / 101,748.40-140,412.84-56,426.93

Finding the Fourth Proportional to 101,748.40, 140,412.84 and 56,426.93

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Solution

The fourth proportional to 101,748.40, 140,412.84 and 56,426.93 is: 77,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,748.40 : 140,412.84 = 56,426.93 : x
  2. Step 2: Convert to fraction form
    101,748.40/140,412.84 = 56,426.93/x
  3. Step 3: Cross multiply
    101,748.40x = 140,412.84 × 56,426.93
  4. Step 4: Simplify right side
    101,748.40x = 7,923,065,424.07
  5. Step 5: Solve for x
    x = 7,923,065,424.07/101,748.40
  6. Step 6: Final answer
    x = 77,869.19

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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.