Home / 98,316.32-147,244.83-90,377.51

Finding the Fourth Proportional to 98,316.32, 147,244.83 and 90,377.51

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Solution

The fourth proportional to 98,316.32, 147,244.83 and 90,377.51 is: 135,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.32 : 147,244.83 = 90,377.51 : x
  2. Step 2: Convert to fraction form
    98,316.32/147,244.83 = 90,377.51/x
  3. Step 3: Cross multiply
    98,316.32x = 147,244.83 × 90,377.51
  4. Step 4: Simplify right side
    98,316.32x = 13,307,621,095.77
  5. Step 5: Solve for x
    x = 13,307,621,095.77/98,316.32
  6. Step 6: Final answer
    x = 135,355.16

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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.