Home / 180,869.57-249,312.35-142,567

Finding the Fourth Proportional to 180,869.57, 249,312.35 and 142,567

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Solution

The fourth proportional to 180,869.57, 249,312.35 and 142,567 is: 196,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,869.57 : 249,312.35 = 142,567 : x
  2. Step 2: Convert to fraction form
    180,869.57/249,312.35 = 142,567/x
  3. Step 3: Cross multiply
    180,869.57x = 249,312.35 × 142,567
  4. Step 4: Simplify right side
    180,869.57x = 35,543,713,802.45
  5. Step 5: Solve for x
    x = 35,543,713,802.45/180,869.57
  6. Step 6: Final answer
    x = 196,515.72

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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.