Home / 238,117.48-328,606.13-130,697.50

Finding the Fourth Proportional to 238,117.48, 328,606.13 and 130,697.50

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Solution

The fourth proportional to 238,117.48, 328,606.13 and 130,697.50 is: 180,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,117.48 : 328,606.13 = 130,697.50 : x
  2. Step 2: Convert to fraction form
    238,117.48/328,606.13 = 130,697.50/x
  3. Step 3: Cross multiply
    238,117.48x = 328,606.13 × 130,697.50
  4. Step 4: Simplify right side
    238,117.48x = 42,947,999,675.68
  5. Step 5: Solve for x
    x = 42,947,999,675.68/238,117.48
  6. Step 6: Final answer
    x = 180,364.75

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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.