Home / 140,731.20-210,916.32-57,526.08

Finding the Fourth Proportional to 140,731.20, 210,916.32 and 57,526.08

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Solution

The fourth proportional to 140,731.20, 210,916.32 and 57,526.08 is: 86,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,731.20 : 210,916.32 = 57,526.08 : x
  2. Step 2: Convert to fraction form
    140,731.20/210,916.32 = 57,526.08/x
  3. Step 3: Cross multiply
    140,731.20x = 210,916.32 × 57,526.08
  4. Step 4: Simplify right side
    140,731.20x = 12,133,189,097.63
  5. Step 5: Solve for x
    x = 12,133,189,097.63/140,731.20
  6. Step 6: Final answer
    x = 86,215.35

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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.