Home / 152,223.84-210,127.77-136,280.61

Finding the Fourth Proportional to 152,223.84, 210,127.77 and 136,280.61

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Solution

The fourth proportional to 152,223.84, 210,127.77 and 136,280.61 is: 188,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,223.84 : 210,127.77 = 136,280.61 : x
  2. Step 2: Convert to fraction form
    152,223.84/210,127.77 = 136,280.61/x
  3. Step 3: Cross multiply
    152,223.84x = 210,127.77 × 136,280.61
  4. Step 4: Simplify right side
    152,223.84x = 28,636,340,673.54
  5. Step 5: Solve for x
    x = 28,636,340,673.54/152,223.84
  6. Step 6: Final answer
    x = 188,119.95

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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.