Home / 130,548.32-180,156.24-73,970.48

Finding the Fourth Proportional to 130,548.32, 180,156.24 and 73,970.48

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Solution

The fourth proportional to 130,548.32, 180,156.24 and 73,970.48 is: 102,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,548.32 : 180,156.24 = 73,970.48 : x
  2. Step 2: Convert to fraction form
    130,548.32/180,156.24 = 73,970.48/x
  3. Step 3: Cross multiply
    130,548.32x = 180,156.24 × 73,970.48
  4. Step 4: Simplify right side
    130,548.32x = 13,326,243,547.80
  5. Step 5: Solve for x
    x = 13,326,243,547.80/130,548.32
  6. Step 6: Final answer
    x = 102,079.01

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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.