Home / 147,070.08-202,966.83-83,412.05

Finding the Fourth Proportional to 147,070.08, 202,966.83 and 83,412.05

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Solution

The fourth proportional to 147,070.08, 202,966.83 and 83,412.05 is: 115,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,070.08 : 202,966.83 = 83,412.05 : x
  2. Step 2: Convert to fraction form
    147,070.08/202,966.83 = 83,412.05/x
  3. Step 3: Cross multiply
    147,070.08x = 202,966.83 × 83,412.05
  4. Step 4: Simplify right side
    147,070.08x = 16,929,878,357.47
  5. Step 5: Solve for x
    x = 16,929,878,357.47/147,070.08
  6. Step 6: Final answer
    x = 115,114.36

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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.