Home / 212,230.02-317,943.98-125,416.91

Finding the Fourth Proportional to 212,230.02, 317,943.98 and 125,416.91

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Solution

The fourth proportional to 212,230.02, 317,943.98 and 125,416.91 is: 187,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,230.02 : 317,943.98 = 125,416.91 : x
  2. Step 2: Convert to fraction form
    212,230.02/317,943.98 = 125,416.91/x
  3. Step 3: Cross multiply
    212,230.02x = 317,943.98 × 125,416.91
  4. Step 4: Simplify right side
    212,230.02x = 39,875,551,079.83
  5. Step 5: Solve for x
    x = 39,875,551,079.83/212,230.02
  6. Step 6: Final answer
    x = 187,888.36

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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.