Home / 140,547.06-210,482.76-80,393.22

Finding the Fourth Proportional to 140,547.06, 210,482.76 and 80,393.22

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Solution

The fourth proportional to 140,547.06, 210,482.76 and 80,393.22 is: 120,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,547.06 : 210,482.76 = 80,393.22 : x
  2. Step 2: Convert to fraction form
    140,547.06/210,482.76 = 80,393.22/x
  3. Step 3: Cross multiply
    140,547.06x = 210,482.76 × 80,393.22
  4. Step 4: Simplify right side
    140,547.06x = 16,921,386,830.89
  5. Step 5: Solve for x
    x = 16,921,386,830.89/140,547.06
  6. Step 6: Final answer
    x = 120,396.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.