Home / 140,465.13-210,697.89-57,359.13

Finding the Fourth Proportional to 140,465.13, 210,697.89 and 57,359.13

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Solution

The fourth proportional to 140,465.13, 210,697.89 and 57,359.13 is: 86,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465.13 : 210,697.89 = 57,359.13 : x
  2. Step 2: Convert to fraction form
    140,465.13/210,697.89 = 57,359.13/x
  3. Step 3: Cross multiply
    140,465.13x = 210,697.89 × 57,359.13
  4. Step 4: Simplify right side
    140,465.13x = 12,085,447,663.24
  5. Step 5: Solve for x
    x = 12,085,447,663.24/140,465.13
  6. Step 6: Final answer
    x = 86,038.77

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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.