Home / 118,018.07-162,866.79-64,303.08

Finding the Fourth Proportional to 118,018.07, 162,866.79 and 64,303.08

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Solution

The fourth proportional to 118,018.07, 162,866.79 and 64,303.08 is: 88,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,018.07 : 162,866.79 = 64,303.08 : x
  2. Step 2: Convert to fraction form
    118,018.07/162,866.79 = 64,303.08/x
  3. Step 3: Cross multiply
    118,018.07x = 162,866.79 × 64,303.08
  4. Step 4: Simplify right side
    118,018.07x = 10,472,836,226.71
  5. Step 5: Solve for x
    x = 10,472,836,226.71/118,018.07
  6. Step 6: Final answer
    x = 88,739.26

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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.