Home / 140,075.52-210,085.02-51,298.71

Finding the Fourth Proportional to 140,075.52, 210,085.02 and 51,298.71

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Solution

The fourth proportional to 140,075.52, 210,085.02 and 51,298.71 is: 76,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.52 : 210,085.02 = 51,298.71 : x
  2. Step 2: Convert to fraction form
    140,075.52/210,085.02 = 51,298.71/x
  3. Step 3: Cross multiply
    140,075.52x = 210,085.02 × 51,298.71
  4. Step 4: Simplify right side
    140,075.52x = 10,777,090,516.32
  5. Step 5: Solve for x
    x = 10,777,090,516.32/140,075.52
  6. Step 6: Final answer
    x = 76,937.72

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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.