Home / 145,973.04-219,082.58-57,288.82

Finding the Fourth Proportional to 145,973.04, 219,082.58 and 57,288.82

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Solution

The fourth proportional to 145,973.04, 219,082.58 and 57,288.82 is: 85,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.04 : 219,082.58 = 57,288.82 : x
  2. Step 2: Convert to fraction form
    145,973.04/219,082.58 = 57,288.82/x
  3. Step 3: Cross multiply
    145,973.04x = 219,082.58 × 57,288.82
  4. Step 4: Simplify right side
    145,973.04x = 12,550,982,490.76
  5. Step 5: Solve for x
    x = 12,550,982,490.76/145,973.04
  6. Step 6: Final answer
    x = 85,981.51

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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.