Home / 132,973.02-183,502.49-72,543.65

Finding the Fourth Proportional to 132,973.02, 183,502.49 and 72,543.65

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Solution

The fourth proportional to 132,973.02, 183,502.49 and 72,543.65 is: 100,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,973.02 : 183,502.49 = 72,543.65 : x
  2. Step 2: Convert to fraction form
    132,973.02/183,502.49 = 72,543.65/x
  3. Step 3: Cross multiply
    132,973.02x = 183,502.49 × 72,543.65
  4. Step 4: Simplify right side
    132,973.02x = 13,311,939,128.46
  5. Step 5: Solve for x
    x = 13,311,939,128.46/132,973.02
  6. Step 6: Final answer
    x = 100,110.08

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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.