Home / 130,547.07-180,153.39-73,186.11

Finding the Fourth Proportional to 130,547.07, 180,153.39 and 73,186.11

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Solution

The fourth proportional to 130,547.07, 180,153.39 and 73,186.11 is: 100,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,547.07 : 180,153.39 = 73,186.11 : x
  2. Step 2: Convert to fraction form
    130,547.07/180,153.39 = 73,186.11/x
  3. Step 3: Cross multiply
    130,547.07x = 180,153.39 × 73,186.11
  4. Step 4: Simplify right side
    130,547.07x = 13,184,725,817.41
  5. Step 5: Solve for x
    x = 13,184,725,817.41/130,547.07
  6. Step 6: Final answer
    x = 100,995.95

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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.