Home / 118,485.46-163,510.26-64,771.12

Finding the Fourth Proportional to 118,485.46, 163,510.26 and 64,771.12

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Solution

The fourth proportional to 118,485.46, 163,510.26 and 64,771.12 is: 89,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,485.46 : 163,510.26 = 64,771.12 : x
  2. Step 2: Convert to fraction form
    118,485.46/163,510.26 = 64,771.12/x
  3. Step 3: Cross multiply
    118,485.46x = 163,510.26 × 64,771.12
  4. Step 4: Simplify right side
    118,485.46x = 10,590,742,671.69
  5. Step 5: Solve for x
    x = 10,590,742,671.69/118,485.46
  6. Step 6: Final answer
    x = 89,384.32

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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.