Home / 161,038.40-240,473.16-131,514.80

Finding the Fourth Proportional to 161,038.40, 240,473.16 and 131,514.80

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Solution

The fourth proportional to 161,038.40, 240,473.16 and 131,514.80 is: 196,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,038.40 : 240,473.16 = 131,514.80 : x
  2. Step 2: Convert to fraction form
    161,038.40/240,473.16 = 131,514.80/x
  3. Step 3: Cross multiply
    161,038.40x = 240,473.16 × 131,514.80
  4. Step 4: Simplify right side
    161,038.40x = 31,625,779,897.36
  5. Step 5: Solve for x
    x = 31,625,779,897.36/161,038.40
  6. Step 6: Final answer
    x = 196,386.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.