Home / 118,303.90-163,258.93-64,588.30

Finding the Fourth Proportional to 118,303.90, 163,258.93 and 64,588.30

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Solution

The fourth proportional to 118,303.90, 163,258.93 and 64,588.30 is: 89,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,303.90 : 163,258.93 = 64,588.30 : x
  2. Step 2: Convert to fraction form
    118,303.90/163,258.93 = 64,588.30/x
  3. Step 3: Cross multiply
    118,303.90x = 163,258.93 × 64,588.30
  4. Step 4: Simplify right side
    118,303.90x = 10,544,616,748.52
  5. Step 5: Solve for x
    x = 10,544,616,748.52/118,303.90
  6. Step 6: Final answer
    x = 89,131.61

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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.