Home / 94,312.08-130,148.07-51,870.63

Finding the Fourth Proportional to 94,312.08, 130,148.07 and 51,870.63

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Solution

The fourth proportional to 94,312.08, 130,148.07 and 51,870.63 is: 71,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,312.08 : 130,148.07 = 51,870.63 : x
  2. Step 2: Convert to fraction form
    94,312.08/130,148.07 = 51,870.63/x
  3. Step 3: Cross multiply
    94,312.08x = 130,148.07 × 51,870.63
  4. Step 4: Simplify right side
    94,312.08x = 6,750,862,384.18
  5. Step 5: Solve for x
    x = 6,750,862,384.18/94,312.08
  6. Step 6: Final answer
    x = 71,580.04

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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.