Home / 140,320.24-210,478.76-40,477.14

Finding the Fourth Proportional to 140,320.24, 210,478.76 and 40,477.14

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Solution

The fourth proportional to 140,320.24, 210,478.76 and 40,477.14 is: 60,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.24 : 210,478.76 = 40,477.14 : x
  2. Step 2: Convert to fraction form
    140,320.24/210,478.76 = 40,477.14/x
  3. Step 3: Cross multiply
    140,320.24x = 210,478.76 × 40,477.14
  4. Step 4: Simplify right side
    140,320.24x = 8,519,578,235.55
  5. Step 5: Solve for x
    x = 8,519,578,235.55/140,320.24
  6. Step 6: Final answer
    x = 60,715.25

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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.