Home / 238,080.02-328,559.90-130,653.89

Finding the Fourth Proportional to 238,080.02, 328,559.90 and 130,653.89

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Solution

The fourth proportional to 238,080.02, 328,559.90 and 130,653.89 is: 180,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.02 : 328,559.90 = 130,653.89 : x
  2. Step 2: Convert to fraction form
    238,080.02/328,559.90 = 130,653.89/x
  3. Step 3: Cross multiply
    238,080.02x = 328,559.90 × 130,653.89
  4. Step 4: Simplify right side
    238,080.02x = 42,927,626,736.94
  5. Step 5: Solve for x
    x = 42,927,626,736.94/238,080.02
  6. Step 6: Final answer
    x = 180,307.56

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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.