Home / 155,347.17-214,377.06-87,364.14

Finding the Fourth Proportional to 155,347.17, 214,377.06 and 87,364.14

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Solution

The fourth proportional to 155,347.17, 214,377.06 and 87,364.14 is: 120,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,347.17 : 214,377.06 = 87,364.14 : x
  2. Step 2: Convert to fraction form
    155,347.17/214,377.06 = 87,364.14/x
  3. Step 3: Cross multiply
    155,347.17x = 214,377.06 × 87,364.14
  4. Step 4: Simplify right side
    155,347.17x = 18,728,867,482.63
  5. Step 5: Solve for x
    x = 18,728,867,482.63/155,347.17
  6. Step 6: Final answer
    x = 120,561.37

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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.