Home / 175,813.02-242,465.67-138,021.66

Finding the Fourth Proportional to 175,813.02, 242,465.67 and 138,021.66

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Solution

The fourth proportional to 175,813.02, 242,465.67 and 138,021.66 is: 190,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,813.02 : 242,465.67 = 138,021.66 : x
  2. Step 2: Convert to fraction form
    175,813.02/242,465.67 = 138,021.66/x
  3. Step 3: Cross multiply
    175,813.02x = 242,465.67 × 138,021.66
  4. Step 4: Simplify right side
    175,813.02x = 33,465,514,266.41
  5. Step 5: Solve for x
    x = 33,465,514,266.41/175,813.02
  6. Step 6: Final answer
    x = 190,347.19

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1.5x scale

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.