Home / 145,510.31-200,828.84-84,247.58

Finding the Fourth Proportional to 145,510.31, 200,828.84 and 84,247.58

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Solution

The fourth proportional to 145,510.31, 200,828.84 and 84,247.58 is: 116,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510.31 : 200,828.84 = 84,247.58 : x
  2. Step 2: Convert to fraction form
    145,510.31/200,828.84 = 84,247.58/x
  3. Step 3: Cross multiply
    145,510.31x = 200,828.84 × 84,247.58
  4. Step 4: Simplify right side
    145,510.31x = 16,919,343,845.04
  5. Step 5: Solve for x
    x = 16,919,343,845.04/145,510.31
  6. Step 6: Final answer
    x = 116,275.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.