Home / 145,312.83-200,522.52-84,900.60

Finding the Fourth Proportional to 145,312.83, 200,522.52 and 84,900.60

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Solution

The fourth proportional to 145,312.83, 200,522.52 and 84,900.60 is: 117,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,312.83 : 200,522.52 = 84,900.60 : x
  2. Step 2: Convert to fraction form
    145,312.83/200,522.52 = 84,900.60/x
  3. Step 3: Cross multiply
    145,312.83x = 200,522.52 × 84,900.60
  4. Step 4: Simplify right side
    145,312.83x = 17,024,482,261.51
  5. Step 5: Solve for x
    x = 17,024,482,261.51/145,312.83
  6. Step 6: Final answer
    x = 117,157.46

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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.