Home / 154,869.98-230,748.19-144,685.76

Finding the Fourth Proportional to 154,869.98, 230,748.19 and 144,685.76

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Solution

The fourth proportional to 154,869.98, 230,748.19 and 144,685.76 is: 215,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,869.98 : 230,748.19 = 144,685.76 : x
  2. Step 2: Convert to fraction form
    154,869.98/230,748.19 = 144,685.76/x
  3. Step 3: Cross multiply
    154,869.98x = 230,748.19 × 144,685.76
  4. Step 4: Simplify right side
    154,869.98x = 33,385,977,238.77
  5. Step 5: Solve for x
    x = 33,385,977,238.77/154,869.98
  6. Step 6: Final answer
    x = 215,574.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.