Home / 180,746.18-249,429.72-100,185.80

Finding the Fourth Proportional to 180,746.18, 249,429.72 and 100,185.80

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Solution

The fourth proportional to 180,746.18, 249,429.72 and 100,185.80 is: 138,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,746.18 : 249,429.72 = 100,185.80 : x
  2. Step 2: Convert to fraction form
    180,746.18/249,429.72 = 100,185.80/x
  3. Step 3: Cross multiply
    180,746.18x = 249,429.72 × 100,185.80
  4. Step 4: Simplify right side
    180,746.18x = 24,989,316,041.98
  5. Step 5: Solve for x
    x = 24,989,316,041.98/180,746.18
  6. Step 6: Final answer
    x = 138,256.40

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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.