Home / 102,055.68-153,095.04-42,880.32

Finding the Fourth Proportional to 102,055.68, 153,095.04 and 42,880.32

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Solution

The fourth proportional to 102,055.68, 153,095.04 and 42,880.32 is: 64,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,055.68 : 153,095.04 = 42,880.32 : x
  2. Step 2: Convert to fraction form
    102,055.68/153,095.04 = 42,880.32/x
  3. Step 3: Cross multiply
    102,055.68x = 153,095.04 × 42,880.32
  4. Step 4: Simplify right side
    102,055.68x = 6,564,764,305.61
  5. Step 5: Solve for x
    x = 6,564,764,305.61/102,055.68
  6. Step 6: Final answer
    x = 64,325.32

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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.