Home / 188,748.16-282,924.80-70,368

Finding the Fourth Proportional to 188,748.16, 282,924.80 and 70,368

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Solution

The fourth proportional to 188,748.16, 282,924.80 and 70,368 is: 105,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,748.16 : 282,924.80 = 70,368 : x
  2. Step 2: Convert to fraction form
    188,748.16/282,924.80 = 70,368/x
  3. Step 3: Cross multiply
    188,748.16x = 282,924.80 × 70,368
  4. Step 4: Simplify right side
    188,748.16x = 19,908,852,326.40
  5. Step 5: Solve for x
    x = 19,908,852,326.40/188,748.16
  6. Step 6: Final answer
    x = 105,478.39

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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.