Home / 185,143.16-277,527.73-72,902.14

Finding the Fourth Proportional to 185,143.16, 277,527.73 and 72,902.14

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Solution

The fourth proportional to 185,143.16, 277,527.73 and 72,902.14 is: 109,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,143.16 : 277,527.73 = 72,902.14 : x
  2. Step 2: Convert to fraction form
    185,143.16/277,527.73 = 72,902.14/x
  3. Step 3: Cross multiply
    185,143.16x = 277,527.73 × 72,902.14
  4. Step 4: Simplify right side
    185,143.16x = 20,232,364,038.70
  5. Step 5: Solve for x
    x = 20,232,364,038.70/185,143.16
  6. Step 6: Final answer
    x = 109,279.57

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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.