Home / 180,636.08-249,199.20-126,956.16

Finding the Fourth Proportional to 180,636.08, 249,199.20 and 126,956.16

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Solution

The fourth proportional to 180,636.08, 249,199.20 and 126,956.16 is: 175,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636.08 : 249,199.20 = 126,956.16 : x
  2. Step 2: Convert to fraction form
    180,636.08/249,199.20 = 126,956.16/x
  3. Step 3: Cross multiply
    180,636.08x = 249,199.20 × 126,956.16
  4. Step 4: Simplify right side
    180,636.08x = 31,637,373,507.07
  5. Step 5: Solve for x
    x = 31,637,373,507.07/180,636.08
  6. Step 6: Final answer
    x = 175,144.27

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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.