Home / 130,955.60-196,303.80-64,341.20

Finding the Fourth Proportional to 130,955.60, 196,303.80 and 64,341.20

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Solution

The fourth proportional to 130,955.60, 196,303.80 and 64,341.20 is: 96,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,955.60 : 196,303.80 = 64,341.20 : x
  2. Step 2: Convert to fraction form
    130,955.60/196,303.80 = 64,341.20/x
  3. Step 3: Cross multiply
    130,955.60x = 196,303.80 × 64,341.20
  4. Step 4: Simplify right side
    130,955.60x = 12,630,422,056.56
  5. Step 5: Solve for x
    x = 12,630,422,056.56/130,955.60
  6. Step 6: Final answer
    x = 96,448.12

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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.