Home / 124,690.34-172,081.46-70,975.38

Finding the Fourth Proportional to 124,690.34, 172,081.46 and 70,975.38

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Solution

The fourth proportional to 124,690.34, 172,081.46 and 70,975.38 is: 97,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.34 : 172,081.46 = 70,975.38 : x
  2. Step 2: Convert to fraction form
    124,690.34/172,081.46 = 70,975.38/x
  3. Step 3: Cross multiply
    124,690.34x = 172,081.46 × 70,975.38
  4. Step 4: Simplify right side
    124,690.34x = 12,213,547,014.45
  5. Step 5: Solve for x
    x = 12,213,547,014.45/124,690.34
  6. Step 6: Final answer
    x = 97,951.03

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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.