Home / 164,040.81-245,642.85-130,809.35

Finding the Fourth Proportional to 164,040.81, 245,642.85 and 130,809.35

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Solution

The fourth proportional to 164,040.81, 245,642.85 and 130,809.35 is: 195,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,040.81 : 245,642.85 = 130,809.35 : x
  2. Step 2: Convert to fraction form
    164,040.81/245,642.85 = 130,809.35/x
  3. Step 3: Cross multiply
    164,040.81x = 245,642.85 × 130,809.35
  4. Step 4: Simplify right side
    164,040.81x = 32,132,380,312.43
  5. Step 5: Solve for x
    x = 32,132,380,312.43/164,040.81
  6. Step 6: Final answer
    x = 195,880.41

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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.