Home / 130,987.02-196,316.06-56,018.96

Finding the Fourth Proportional to 130,987.02, 196,316.06 and 56,018.96

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Solution

The fourth proportional to 130,987.02, 196,316.06 and 56,018.96 is: 83,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,987.02 : 196,316.06 = 56,018.96 : x
  2. Step 2: Convert to fraction form
    130,987.02/196,316.06 = 56,018.96/x
  3. Step 3: Cross multiply
    130,987.02x = 196,316.06 × 56,018.96
  4. Step 4: Simplify right side
    130,987.02x = 10,997,421,512.50
  5. Step 5: Solve for x
    x = 10,997,421,512.50/130,987.02
  6. Step 6: Final answer
    x = 83,958.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.