Home / 130,325.63-179,849.36-70,709.63

Finding the Fourth Proportional to 130,325.63, 179,849.36 and 70,709.63

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Solution

The fourth proportional to 130,325.63, 179,849.36 and 70,709.63 is: 97,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,325.63 : 179,849.36 = 70,709.63 : x
  2. Step 2: Convert to fraction form
    130,325.63/179,849.36 = 70,709.63/x
  3. Step 3: Cross multiply
    130,325.63x = 179,849.36 × 70,709.63
  4. Step 4: Simplify right side
    130,325.63x = 12,717,080,978.86
  5. Step 5: Solve for x
    x = 12,717,080,978.86/130,325.63
  6. Step 6: Final answer
    x = 97,579.28

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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.