Home / 212,048.61-292,598.76-131,446.74

Finding the Fourth Proportional to 212,048.61, 292,598.76 and 131,446.74

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Solution

The fourth proportional to 212,048.61, 292,598.76 and 131,446.74 is: 181,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,048.61 : 292,598.76 = 131,446.74 : x
  2. Step 2: Convert to fraction form
    212,048.61/292,598.76 = 131,446.74/x
  3. Step 3: Cross multiply
    212,048.61x = 292,598.76 × 131,446.74
  4. Step 4: Simplify right side
    212,048.61x = 38,461,153,130.04
  5. Step 5: Solve for x
    x = 38,461,153,130.04/212,048.61
  6. Step 6: Final answer
    x = 181,378.94

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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.