Home / 224,700.48-310,055.04-129,172.32

Finding the Fourth Proportional to 224,700.48, 310,055.04 and 129,172.32

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Solution

The fourth proportional to 224,700.48, 310,055.04 and 129,172.32 is: 178,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,700.48 : 310,055.04 = 129,172.32 : x
  2. Step 2: Convert to fraction form
    224,700.48/310,055.04 = 129,172.32/x
  3. Step 3: Cross multiply
    224,700.48x = 310,055.04 × 129,172.32
  4. Step 4: Simplify right side
    224,700.48x = 40,050,528,844.49
  5. Step 5: Solve for x
    x = 40,050,528,844.49/224,700.48
  6. Step 6: Final answer
    x = 178,239.62

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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.